 /*******************************************************************************
  * Copyright (c) 2000, 2006 IBM Corporation and others.
  * All rights reserved. This program and the accompanying materials
  * are made available under the terms of the Eclipse Public License v1.0
  * which accompanies this distribution, and is available at
  * http://www.eclipse.org/legal/epl-v10.html
  *
  * Contributors:
  * IBM Corporation - initial API and implementation
  *******************************************************************************/
 package org.eclipse.ui;

 /**
  * Interface for listening to page lifecycle events.
  * <p>
  * This interface may be implemented by clients.
  * </p>
  *
  * @see IPageService#addPageListener
  */
 public interface IPageListener {
     /**
      * Notifies this listener that the given page has been activated.
      *
      * @param page the page that was activated
      * @see IWorkbenchWindow#setActivePage
      */
     public void pageActivated(IWorkbenchPage page);

     /**
      * Notifies this listener that the given page has been closed.
      *
      * @param page the page that was closed
      * @see IWorkbenchPage#close
      */
     public void pageClosed(IWorkbenchPage page);

     /**
      * Notifies this listener that the given page has been opened.
      *
      * @param page the page that was opened
      * @see IWorkbenchWindow#openPage
      */
     public void pageOpened(IWorkbenchPage page);
 }

